Abstract:

In this paper, Based on the Xinjulong No. 2 auxiliary transportation roadway as engineering background, the experimental research on field monitoring, theoretical analysis, research methods, the engineering analogy combined, according to the problems of large section roadway excavation in hard rock, the digging machine selection, cutting process, temporary supporting technology, research of long distance continuous auxiliary transportation safety and quality, achieve comprehensive mechanization tunneling of large section roadway in deep hard rock .

Key words: Deep hard rock, speedy drivage, construction technology